Camden officers went back to the drawing board and came back with a new solution:

Camden Cyclists committee endorsed this solution on 17th November 2014. Camden had expected to obtain space from HS1 to widen the westbound carriageway under the bridge. Unfortunately, HS2 refused (spring 2016). The scheme to be implemented (summer 2016) will have ‘hold the left SB’ but an unsatisfactory solution WB.